8990870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 19768320

約数和(自身を除く): 10777450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 43, 58, 70, 86, 103, 145, 203, 206, 215, 290, 301, 406, 430, 515, 602, 721, 1015, 1030, 1247, 1442, 1505, 2030, 2494, 2987, 3010, 3605, 4429, 5974, 6235, 7210, 8729, 8858, 12470, 14935, 17458, 20909, 22145, 29870, 31003, 41818, 43645, 44290, 62006, 87290, 104545, 128441, 155015, 209090, 256882, 310030, 642205, 899087, 1284410, 1798174, 4495435, 8990870]

約数ペア:

[(1, 8990870), (2, 4495435), (5, 1798174), (7, 1284410), (10, 899087), (14, 642205), (29, 310030), (35, 256882), (43, 209090), (58, 155015), (70, 128441), (86, 104545), (103, 87290), (145, 62006), (203, 44290), (206, 43645), (215, 41818), (290, 31003), (301, 29870), (406, 22145), (430, 20909), (515, 17458), (602, 14935), (721, 12470), (1015, 8858), (1030, 8729), (1247, 7210), (1442, 6235), (1505, 5974), (2030, 4429), (2494, 3605), (2987, 3010)]